A car burns at the scene of a bomb explosion at St. Theresa Catholic Church at Madalla, Suleja, just outside Nigeria's capital Abuja, December 25, 2011, an attack which raises fears that Islamist militant group Boko Haram - which claimed responsibility - is trying to ignite sectarian civil war. (Photo: AFP)
Police say violence in two states in northeast Nigeria has killed 13 people amid a wave of attacks by a radical Muslim sect.
Police said Saturday the attacks occurred in Adamawa and Yobe states on Friday night.
In Adamawa, officials say gunmen suspected to belong to a radical sect known as Boko Haram killed eight worshippers at a church. In Yobe, a gun battle between the sect and police killed at least two people.
The attacks come after 20 Christians died during a town hall meeting in rural Adamawa state.
Authorities blamed the attacks on Boko Haram, a radical sect that wants to implement strict Shariah law across Nigeria, a multiethnic nation of more than 160 million people.
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